The Mind and the Brain / Being the Authorised Translation of L'Âme et le Corps

The Biology, Physiology and Sociology of Reproduction / Also Sexual Hygiene with Special Reference to the Male

Text Book of Biology, Part 1: Vertebrata

The Principles of Masonic Law / A Treatise on the Constitutional Laws, Usages and Landmarks of / Freemasonry

Five Stages of Greek Religion

Christianity and Greek Philosophy / or, the relation between spontaneous and reflective thought / in Greece and the positive teaching of Christ and His / Apostles

Dialogues Concerning Natural Religion

A History of Indian Philosophy, Volume 1

Music: An Art and a Language

The Economist

Physics and Politics, or, Thoughts on the application of the principles of "natural selection" and "inheritance" to political society